Bath tub



FIG. 1 is a first perspective view of a bath tub of the present design;

FIG. 2 is a second perspective view of the bath tub of FIG. 1;

FIG. 3 is a first side view of the bath tub of FIG. 1, a second side view being a mirror image thereof; and

FIG. 4 is a first end view of the bath tub of FIG. 1, a second end view being a mirror image thereof; and

FIG. 5 is a top view of the bath tub of FIG. 1; and,

FIG. 6 is an enlarged portion of the side view of FIG. 3.

The shading in the figures show contour, not surface ornamentation, and form no part of the claimed design.

The dashed lines shown in the figures are for illustration only and form no part of the claimed design. 

CLAIM I claim an ornamental design for a bath tub, as shown and described. 